Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | bqSWITCHER™ |
| Part Status | Active |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 ~ 3 |
| Current - Charging | Constant - Programmable |
| Programmable Features | Current, Timer |
| Fault Protection | Over Temperature |
| Charge Current - Max | 2A |
| Battery Pack Voltage | 8.4V |
| Voltage - Supply (Max) | 16V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Overview
Description
The BQ24123RHLR is a highly integrated switch-mode battery charge management and system power-path management device from Texas Instruments. It is designed primarily for portable applications with single-cell lithium-ion or lithium-polymer batteries. The device features a synchronous PWM controller to provide high efficiency, and it supports USB and AC adaptor power sources.
Key features of the BQ24123RHLR include dynamic power-path management, enabling simultaneous battery charging and system operation. It optimizes power distribution between the battery and system load, ensuring efficient power management. The charger also offers protection features, such as over-voltage, over-current, and thermal protection, enhancing device reliability and safety.
With programmable charge current and voltage settings, the BQ24123RHLR allows for flexibility in various applications. Its compact QFN package makes it suitable for space-constrained designs. Overall, the device is ideal for portable electronics, ensuring efficient battery management and extended battery life.
Key features of the BQ24123RHLR include dynamic power-path management, enabling simultaneous battery charging and system operation. It optimizes power distribution between the battery and system load, ensuring efficient power management. The charger also offers protection features, such as over-voltage, over-current, and thermal protection, enhancing device reliability and safety.
With programmable charge current and voltage settings, the BQ24123RHLR allows for flexibility in various applications. Its compact QFN package makes it suitable for space-constrained designs. Overall, the device is ideal for portable electronics, ensuring efficient battery management and extended battery life.
Equivalent
The BQ24123RHLR is a battery charger IC from Texas Instruments. Equivalent or similar products from other manufacturers may include the MCP73871 from Microchip, the LTC4054 from Analog Devices, and the MAX77818 from Maxim Integrated. These alternatives may have varying specifications, so reviewing their datasheets for compatibility with your application is advised.
Features
The BQ24123RHLR is a highly integrated battery charge management IC from Texas Instruments. It is designed for portable devices and provides efficient power management with the following features:
1. Charge Management: Supports Li-Ion and Li-Polymer batteries, optimizing charge efficiency and battery life.
2. Input Voltage Range: Operates with an input voltage range from 4.35V to 16V, making it suitable for various power sources.
3. Programmable Charge Parameters: Allows setting of charge current, voltage, and safety timer through external components.
4. Synchronous Switch-Mode: Utilizes synchronous buck converter technology for high-efficiency charging.
5. Dynamic Power Path: Offers power path management to prioritize critical system functions and battery charging simultaneously.
6. Safety Features: Includes over-voltage, over-current, thermal regulation, and safety timers to protect against charging faults.
7. Status Outputs: Provides LED indicators and status pins for monitoring charge status and faults.
8. Compact Package: Available in a small VQFN package, ideal for space-constrained applications.
These features make the BQ24123RHLR suitable for efficient and reliable battery management in portable electronics.
1. Charge Management: Supports Li-Ion and Li-Polymer batteries, optimizing charge efficiency and battery life.
2. Input Voltage Range: Operates with an input voltage range from 4.35V to 16V, making it suitable for various power sources.
3. Programmable Charge Parameters: Allows setting of charge current, voltage, and safety timer through external components.
4. Synchronous Switch-Mode: Utilizes synchronous buck converter technology for high-efficiency charging.
5. Dynamic Power Path: Offers power path management to prioritize critical system functions and battery charging simultaneously.
6. Safety Features: Includes over-voltage, over-current, thermal regulation, and safety timers to protect against charging faults.
7. Status Outputs: Provides LED indicators and status pins for monitoring charge status and faults.
8. Compact Package: Available in a small VQFN package, ideal for space-constrained applications.
These features make the BQ24123RHLR suitable for efficient and reliable battery management in portable electronics.
Pinout
The BQ24123RHLR is a single-cell Li-Ion battery charger IC from Texas Instruments, typically used in portable devices. It is available in a 24-pin VQFN (Very Thin Quad Flat No-Lead) package. The IC serves multiple functions, including providing safe and efficient charging, power path management, and USB-compatible charging. It supports features like battery detection, pre-charge, fast-charge, termination, and a configurable current limit, ensuring the battery is charged safely and efficiently while maintaining device operation.
Manufacturer
The BQ24123RHLR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide array of analog and embedded processing chips, which are used in electronics across various industries. TI is known for its innovation in the development of integrated circuits and is one of the largest semiconductor companies in the world. The company’s products are widely used in sectors such as industrial, automotive, personal electronics, communications equipment, and enterprise systems.
Application
The BQ24123RHLR is a battery charger IC designed for portable and handheld electronic devices. Its primary application areas include smartphones, tablets, portable media players, digital cameras, cordless power tools, and other consumer electronics requiring efficient battery charging and management. It offers features like over-voltage protection, thermal regulation, and charge status monitoring, making it suitable for systems demanding reliable and safe charging processes. This IC is often used in devices with single-cell lithium-ion or lithium-polymer batteries, where space and power efficiency are critical.
Package
The BQ24123RHLR is a battery charger IC from Texas Instruments. It comes in a 24-pin VQFN (Very Thin Quad Flat No-Lead) package with a thermal pad, designated as RHL. This package type is compact and suitable for efficient heat dissipation, making it ideal for portable and space-constrained applications.
